Mail arrives, telling me that by going to Mexico I have sold out, fled, abandoned the United States. I’m a coward, some of my correspondents say, and a traitor, just like Lord Haw Haw, Kim Philby, Jane Fonda. I’m probably a devotee of Quisling. (Actually I’ve never quizzled in my life.) (OK, OK, I’m sorry.) Anyway, they’re upset, which is irrational. They think that just because I went to Mexico, I left the US. They don’t understand. I didn’t leave the United States. It left me. It was a bait-and-switch operation. I signed on to one country, and they slipped...